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Top Questions
140
votes
Partial derivative in gradient descent for two variables
multivariable-calculus
partial-derivative
numerical-optimization
gradient-descent
asked Oct 7 '11 at 22:14
math.stackexchange.com
84
votes
What is the difference between “に” and “には”?
grammar
particles
particle-ni
particle-wa
asked Jun 14 '11 at 6:19
japanese.stackexchange.com
56
votes
Dynamic programming knapsack solution
python
algorithm
dynamic-programming
knapsack-problem
asked Jan 16 '13 at 5:52
codereview.stackexchange.com
51
votes
Why do electrons occupy the space around nuclei, and not collide with them?
quantum-mechanics
electromagnetism
electrons
atomic-physics
asked May 3 '11 at 16:32
physics.stackexchange.com
48
votes
Why does the assignment operator assign to the left-hand side?
language-design
history
asked Aug 3 '11 at 22:01
softwareengineering.stackexchange.com
25
votes
Why does the road look like it's wet on hot days?
optics
temperature
refraction
atmospheric-science
asked May 26 '11 at 23:39
physics.stackexchange.com
21
votes
How many stars are in the Milky Way galaxy, and how can we determine this?
astronomy
galaxies
stars
milky-way
asked Jun 5 '11 at 5:31
physics.stackexchange.com
21
votes
What is the origin and usage of the word いい?
word-choice
etymology
asked Jun 3 '11 at 0:50
japanese.stackexchange.com
21
votes
Why does a shift by 0 truncate the decimal?
javascript
numbers
operators
bitwise-operators
bit-shift
asked Aug 25 '12 at 20:33
stackoverflow.com
19
votes
What is meant when it is said that the universe is homogeneous and isotropic?
general-relativity
cosmology
spacetime
universe
metric-tensor
asked Jun 6 '11 at 6:35
physics.stackexchange.com
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Top Answers
2835
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stackoverflow.com
331
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stackoverflow.com
204
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159
Notepad++ incrementally replace
stackoverflow.com
90
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stackoverflow.com
59
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stackoverflow.com
57
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48
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48
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42
Pythonic Circular List
stackoverflow.com
41
Sort a List<T> by enum where enum is out of order
stackoverflow.com
39
Django - Display ImageField
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38
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stackoverflow.com
35
underscore/lodash unique by multiple properties
stackoverflow.com
34
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stackoverflow.com
34
JavaScript date range between date range
stackoverflow.com
32
Pandas groupby: How to get a union of strings
stackoverflow.com
32
Error-logging for javascript on client side
stackoverflow.com
31
Get specific item from list of tuples c#
stackoverflow.com
29
How to have different return values for multiple calls on a Jasmine spy
stackoverflow.com
29
How to nail focus for DSLR astrophotography?
photo.stackexchange.com
27
When will the Moon reach escape velocity?
physics.stackexchange.com
26
Why does EXCEPT exist in T-SQL?
stackoverflow.com
26
Python os.chdir is modifying the passed directory name
stackoverflow.com
25
Why do the Django docs suggest a separate server for static files?
stackoverflow.com
24
Using an array through a switch() statement in Javascript
stackoverflow.com
24
Lua - if statement with two conditions on the same variable?
stackoverflow.com
23
^@ symbol in vim
stackoverflow.com
22
Why can we see the cosmic microwave background (CMB)?
physics.stackexchange.com
21
Python: Resize an existing array and fill with zeros
stackoverflow.com
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